Pet fountain



FIG. 1 is a perspective view of a pet fountain showing my new design;

FIG. 2 is another perspective view:

FIG. 3 is a front elevation view thereof;

FIG. 4 is a rear elevation view thereat;

FIG. 5 is a left side elevation view thereof:

FIG. 6 is a right side elevation view thereof; and,

FIG. 7 is a top plan view thereof.

Broken lines and unshaded portions contained within broken lines in the FIG. 1 drawing are not claimed. 

CLAIM I claim the ornamental design for a pet fountain, as shown and described. 